SpaceUp Cologne, an event in the series of global SpaceUp unconferences, took place at ESA’s Astronaut Centre (EAC) in Cologne, Germany, 21-22 March 2015. A mix of students, academics, senior scientists and managers, astronauts, young space entrepreneurs, outreach enthusiasts, communicators, and designers - a group of about one hundred - all bringing together their creative energy for a weekend in the fascinating astronautics environment of EAC.